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Commit 89853003 authored by Vincenzo Frascino's avatar Vincenzo Frascino Committed by Alistair Delva
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BACKPORT: mips: Introduce asm/vdso/clocksource.h 



The vDSO library should only include the necessary headers required for
a userspace library (UAPI and a minimal set of kernel headers). To make
this possible it is necessary to isolate from the kernel headers the
common parts that are strictly necessary to build the library.

Introduce asm/vdso/clocksource.h to contain all the arm64 specific
functions that are suitable for vDSO inclusion.

This header will be required by a future patch that will generalize
vdso/clocksource.h.

Signed-off-by: default avatarVincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Paul Burton <paulburton@kernel.org>
Link: https://lkml.kernel.org/r/20200320145351.32292-8-vincenzo.frascino@arm.com


(cherry picked from commit 17e46656a82fc4645324043241b3294f6db9a6ce)
Signed-off-by: default avatarMark Salyzyn <salyzyn@google.com>
Bug: 154668398
Change-Id: Ib485fc4fbb6fce986387d17853a7377d303d8115
parent e10eb53e

arch/mips/include/asm/clocksource.h

+1 −14
Original line number Diff line number Diff line
@@ -11,19 +11,6 @@ 
#ifndef __ASM_CLOCKSOURCE_H

#define __ASM_CLOCKSOURCE_H



#include <linux/types.h>



/* VDSO clocksources. */

#define VDSO_CLOCK_NONE		0	/* No suitable clocksource. */

#define VDSO_CLOCK_R4K		1	/* Use the coprocessor 0 count. */

#define VDSO_CLOCK_GIC		2	/* Use the GIC. */



/**

 * struct arch_clocksource_data - Architecture-specific clocksource information.

 * @vdso_clock_mode: Method the VDSO should use to access the clocksource.

 */

struct arch_clocksource_data {

	u8 vdso_clock_mode;

};

#include <asm/vdso/clocksource.h>



#endif /* __ASM_CLOCKSOURCE_H */

arch/mips/include/asm/vdso/clocksource.h

0 → 100644
+20 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-or-later */

#ifndef __ASM_VDSOCLOCKSOURCE_H

#define __ASM_VDSOCLOCKSOURCE_H



#include <linux/types.h>



/* VDSO clocksources. */

#define VDSO_CLOCK_NONE		0	/* No suitable clocksource. */

#define VDSO_CLOCK_R4K		1	/* Use the coprocessor 0 count. */

#define VDSO_CLOCK_GIC		2	/* Use the GIC. */



/**

 * struct arch_clocksource_data - Architecture-specific clocksource information.

 * @vdso_clock_mode: Method the VDSO should use to access the clocksource.

 */

struct arch_clocksource_data {

	u8 vdso_clock_mode;

};



#endif /* __ASM_VDSOCLOCKSOURCE_H */